Manufacture of polishing-powder



A sult shall be nothing but the line coal-ashes.

ing such ashes and water in a cool place and UNITED STATES PATENT OFFICE VALEUTINE SEIB, OF ALBANY, NEW YORK.

MANUFACTURE OF POLISHING-POWDER.

SPECIFICATION forming part of Letters Patent No. 376,211, dated January 10, 1888.

Application filed March 21, 1887. Serial No. 232,249. (No specimens) usual coal-ashes and reheat or rebnrn them,

so that there shall remain no large pieces, lumps of coal, or other substances, and the re- Then place such reburned or reheated ashes in water and boil the water with said ashes for about one hour. Then place the vessel holdallow the ashes to settle. Then draw off the whole of the muddy-appearing water and again allow the same to settle. Upon such resettling the substance or powder which remains after the last resettling is removed from the water and dried, and is the substance or powder which constitutes the said composition of matter to be used for said cleaning and polishing.

This said powder may be used in cleaning and polishing either wood, metal, or the teeth.

In using the same the surfaceofthe article to be cleaned may first be moistened and the dry powder applied by means of adry brush,cloth, or charnois,.or the composition may be applied by a moistened brush, cloth, or ehanlois to a dry surface, the particles of the powder after and reburning such coal-ashes, afterward b'oil iug the same in water, settling and resettling said water, removing said ashes from said Water after such resettling, and drying the same, substantially as described. I

VALENTINE SEIB.

Witnesses:

BURR D. BLAIR, EDWIN G. DAY. 

